Choose the best answer: 

Scientists are attempting to find out_____ there is life on other planets.

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_____is a question scientists have yet to answer.

Choose the letter A, B, C or D to complete the sentence: We haven’t known who __________ the pyramid yet.

Choose the letter A, B, C or D to complete the sentences:

In the first place, it was designed ________ royal family only.

Choose the letter A, B, C or D to complete the sentences:

I do not believe that this scheme is _________of our serious consideration.

Don’t forget _____ off the lights before going out.

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The town____ we are living is noisy and crowded.

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Who was that girl____ whom you were yesterday?

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The area____ we are living is quiet.

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“Do you know Don Kline?”

          “I remember the name but I can’t remember_____”?

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 The part of town where I live is very noisy at night, ____ makes it difficult to sleep.

Choose the word (a, b, e, or d) that best fits each of the blank spaces. 
The Nile (21)____in a stream which flows (22)_____ Ruanda into Lake Victoria. (23)____it leaves Lake Victoria, the river is known as the White Nile and flows through the Sudan. (24)____north it becomes the Nile and flows through Egypt past Cairo into the Mediterranean Sea. 

(21)..........

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Jack has three brothers, all of____ are married

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That’s the reason_____ I didn’t come to the meeting last night.

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The new shopping mall is gigantic. It’s advertised as a place_____ you can find just about anything you might want to buy.

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Tom with dog_____ here now.

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I have sent him two letters, neither of ____ has arrived.

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 There______ available in his area of specialization.

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“Your son seems to be an excellent skier”

          “They say he’s_____ for his age”.

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Your career should focus on a field in ____ you are genuinely interested.

Choose correct answer A, B, C or D to complete the sentence. She asked me if I _________ pop music